Home / 18,972,275.70-28,442,466.27-15,369,107.22

Finding the Fourth Proportional to 18,972,275.70, 28,442,466.27 and 15,369,107.22

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Solution

The fourth proportional to 18,972,275.70, 28,442,466.27 and 15,369,107.22 is: 23,040,742.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,972,275.70 : 28,442,466.27 = 15,369,107.22 : x
  2. Step 2: Convert to fraction form
    18,972,275.70/28,442,466.27 = 15,369,107.22/x
  3. Step 3: Cross multiply
    18,972,275.70x = 28,442,466.27 × 15,369,107.22
  4. Step 4: Simplify right side
    18,972,275.70x = 437,135,313,704,863.50
  5. Step 5: Solve for x
    x = 437,135,313,704,863.50/18,972,275.70
  6. Step 6: Final answer
    x = 23,040,742.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.